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Finding the Fourth Proportional to 471,235.43, 706,918.85 and 151,397.00

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Solution

The fourth proportional to 471,235.43, 706,918.85 and 151,397.00 is: 227,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,235.43 : 706,918.85 = 151,397.00 : x
  2. Step 2: Convert to fraction form
    471,235.43/706,918.85 = 151,397.00/x
  3. Step 3: Cross multiply
    471,235.43x = 706,918.85 × 151,397.00
  4. Step 4: Simplify right side
    471,235.43x = 107,025,388,841.87
  5. Step 5: Solve for x
    x = 107,025,388,841.87/471,235.43
  6. Step 6: Final answer
    x = 227,116.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.